US9133735B2 - Variable valve timing apparatus and internal combustion engine incorporating the same - Google Patents
Variable valve timing apparatus and internal combustion engine incorporating the same Download PDFInfo
- Publication number
- US9133735B2 US9133735B2 US13/838,032 US201313838032A US9133735B2 US 9133735 B2 US9133735 B2 US 9133735B2 US 201313838032 A US201313838032 A US 201313838032A US 9133735 B2 US9133735 B2 US 9133735B2
- Authority
- US
- United States
- Prior art keywords
- timing
- cylinder
- control member
- valve
- cam shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 46
- 230000009471 action Effects 0.000 claims description 25
- 230000003993 interaction Effects 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/14—Tappets; Push rods
- F01L1/146—Push-rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
- F01L1/182—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft
- F01L1/183—Centre pivot rocking arms the rocking arm being pivoted about an individual fulcrum, i.e. not about a common shaft of the boat type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0063—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0021—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio
- F01L13/0026—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque by modification of rocker arm ratio by means of an eccentric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1808—Number of cylinders two
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims (21)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/838,032 US9133735B2 (en) | 2013-03-15 | 2013-03-15 | Variable valve timing apparatus and internal combustion engine incorporating the same |
EP13194608.9A EP2792860B1 (en) | 2013-03-15 | 2013-11-27 | Variable valve timing apparatus and internal combustion engine incorporating the same |
CN201310723708.5A CN104047660B (en) | 2013-03-15 | 2013-12-24 | Variable valve timing apparatus and internal combustion engine incorporating the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/838,032 US9133735B2 (en) | 2013-03-15 | 2013-03-15 | Variable valve timing apparatus and internal combustion engine incorporating the same |
Publications (2)
Publication Number | Publication Date |
---|---|
US20140261264A1 US20140261264A1 (en) | 2014-09-18 |
US9133735B2 true US9133735B2 (en) | 2015-09-15 |
Family
ID=49759003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/838,032 Active 2033-08-15 US9133735B2 (en) | 2013-03-15 | 2013-03-15 | Variable valve timing apparatus and internal combustion engine incorporating the same |
Country Status (3)
Country | Link |
---|---|
US (1) | US9133735B2 (en) |
EP (1) | EP2792860B1 (en) |
CN (1) | CN104047660B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT516570B1 (en) * | 2014-11-20 | 2016-11-15 | Ge Jenbacher Gmbh & Co Og | Variable valve train |
GB201710959D0 (en) * | 2017-07-07 | 2017-08-23 | Eaton Srl | Actuator arrangement |
EP3704357A1 (en) * | 2017-11-03 | 2020-09-09 | Indian Motorcycle International, LLC | Variable valve timing system for an engine |
CN115405416B (en) * | 2022-09-23 | 2023-09-12 | 中国第一汽车股份有限公司 | Power assembly and vehicle with same |
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US8770161B2 (en) * | 2010-04-19 | 2014-07-08 | Scania Cv Ab | Valve lift device for a combustion engine |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5003939A (en) * | 1990-02-26 | 1991-04-02 | King Brian T | Valve duration and lift variator for internal combustion engines |
US5357915A (en) * | 1991-09-10 | 1994-10-25 | Honda Giken Kogyo Kabushiki Kaisha | Valve system for internal combustion engine |
DE102004004179A1 (en) * | 2004-01-28 | 2005-08-25 | Man B & W Diesel Ag | Drive assembly for intake/ exhaust valves of internal combustion engine, has adjustable rocker arm of phase shift adjusting device for valve timing control, having slip plane to displace adjusting device |
DE102008015787A1 (en) * | 2008-03-26 | 2009-10-01 | Hyundai Motor Co. | Valve opening/closing and lift adjusting device for use in valve arrangement of petrol engine, has lever holder, cam and intermediate lever designed and arranged in such manner that lift of valve is adjusted by defined pivoting of holder |
-
2013
- 2013-03-15 US US13/838,032 patent/US9133735B2/en active Active
- 2013-11-27 EP EP13194608.9A patent/EP2792860B1/en not_active Not-in-force
- 2013-12-24 CN CN201310723708.5A patent/CN104047660B/en not_active Expired - Fee Related
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US20140261264A1 (en) | 2014-09-18 |
EP2792860A2 (en) | 2014-10-22 |
CN104047660A (en) | 2014-09-17 |
CN104047660B (en) | 2017-03-22 |
EP2792860B1 (en) | 2017-09-06 |
EP2792860A3 (en) | 2015-07-15 |
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